Aforce of 450 n accelerates a box across a frictionless surface at a rate of 15 m/s2. what is the mass of the box?

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?